Which two statements about Ethernet standards are true?

Which two statements about Ethernet standards are true? (Choose two)
A. Ethernet is defined by IEEE standard 802.2.
B. Ethernet is defined by IEEE standard 802.3.
C. Ethernet 10BASE-T does not support full-duplex.
D. When an Ethernet network uses CSMA/CD, it terminates transmission as soon as a collision occurs.
E. When an Ethernet network uses CSMA/CA. it terminates transmission as soon as a collision occurs.

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